MPQ8632GLE-6-P

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PMIC - Voltage Regulators - DC DC Switching Regulators

MPQ8632GLE-6-P is a type of power management integrated circuits (PMICs) which is mainly used for Voltage Regulators, being a member of the family of DC DC Switching Regulators. This PMIC is ideal for voltage conversion and power management in high power applications. It is an integrated device which incorporates the DC-DC switching regulator controller, a step down switching transistor and several other protection functions.

Application Field:

The MPQ8632GLE-6-P is mainly used in applications that require a fixed voltage output with high efficiency and integrated protections such as battery powered products, point-of-load supplies and LED lighting. It is designed to provide stability and flexibility in applications that require precise voltage regulation and current control. It also offers various control options such as pulse skipping, pulse width modulation (PWM) and current mode control.

Working Principle:

The MPQ8632GLE-6-P integrates two PMOS transistors, two NMOS transistors and an adjustable voltage regulator in a single package. The switching transistors are driven by a pulse width modulated (PWM) feedback control system, which is used to control the output voltage. The switching frequency of the system can be adjusted from 200kHz up to 2MHz. The output voltage can be set in a range from 0.8V to 7V, and current limiting protection can be configured to work in a range from 7mA to 2.5A.

The adjustable regulator of the device is used to provide the regulated output voltage, regulated by a resistor divider network connected to the REF pin. The power good signal pin can be used to detect the output voltage deviation, which is an indicator of whether the output voltage is within the desired range. The on-chip power MOSFETs of MPQ8632GLE-6-P reduce the external components count and provide high efficiency and low switching losses. The output voltage can be further adjusted using an external circuit that connects the adjustment terminal (ADJ) to the feedback pin (FB).

The MPQ8632GLE-6-P also incorporates multiple protection circuits, like Over Current Protection (OCP) and Thermal Shutdown (TSD). The OCP monitors the current flowing through the power switch and will shut-down the device under predefined conditions. The TSD shuts-down the power switch if the device temperature reaches too high levels. Additionally, the device also includes an Under Voltage Lockout (UVLO) circuit, which will shut down the power switch if the input voltage falls below the specified lockout threshold.

The MPQ8632GLE-6-P is designed as a complete power management integrated circuit that integrates all the components necessary to implement a switching regulator with high efficiency, low noise and low EMI. Its integrated protections and adjustable voltage regulator make it ideal for use in high power applications where a reliable and precise output voltage control is required.

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